Main Circuit Short Check - Daikin FTXS09HVJU Service Manual

SiUS04-904

5.1.15 Main Circuit Short Check

 Measure the resistance between pins at both ends of DB1.
Check No.29
 If the resistance is  or less than 1 k, the main circuit short.
(–) terminal of the tester
(in case of digital,
(+) terminal)
(+) terminal of the tester
(in case of digital,
(–) terminal)
Resistance in OK
Resistance in NG
152
(~) (+)
(+) (~)
several k

~several M

0 or 0
Check
(~) (–)
(–) (~)
several k

~several M

0 0 or
Service Diagnosis